Home / 158,771.79-219,104.96-89,860.01

Finding the Fourth Proportional to 158,771.79, 219,104.96 and 89,860.01

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Solution

The fourth proportional to 158,771.79, 219,104.96 and 89,860.01 is: 124,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,771.79 : 219,104.96 = 89,860.01 : x
  2. Step 2: Convert to fraction form
    158,771.79/219,104.96 = 89,860.01/x
  3. Step 3: Cross multiply
    158,771.79x = 219,104.96 × 89,860.01
  4. Step 4: Simplify right side
    158,771.79x = 19,688,772,351.82
  5. Step 5: Solve for x
    x = 19,688,772,351.82/158,771.79
  6. Step 6: Final answer
    x = 124,006.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.